Answer:
simple, a search for and subsequent persecution of a supposed witch.
Explanation:
Generally speaking, advanced farming techniques allowed for a surplus of food, which led to the emergence of a "artisan" class--since for the first time people were "freed" to engage in other actives besides gathering food.
Stalin unified the Soviet Union after the death of Lenin, although it should be noted that this "unification process" involved mass killings and deportations of people Stalin deemed to be enemies of the state.
I believe that would b B. The British closed down the Boston harbor completely
Menes united Upper and Lower Egypt. He was also known as Narmer.